Solve left(x+yright)^100

$${ \left(x+y \right) }^{ 100 }$$

Expand

$$x^{100}+98913082887808032681188722800x^{49}y^{51}+93206558875049876949581681100x^{48}y^{52}+84413487283064039501507937600x^{47}y^{53}+73470998190814997343905056800x^{46}y^{54}+61448471214136179596720592960x^{45}y^{55}+49378235797073715747364762200x^{44}y^{56}+38116532895986727945334202400x^{43}y^{57}+28258808871162574166368460400x^{42}y^{58}+20116440213369968050635175200x^{41}y^{59}+13746234145802811501267369720x^{40}y^{60}+9013924030034630492634340800x^{39}y^{61}+5670048986634686922786117600x^{38}y^{62}+3420029547493938143902737600x^{37}y^{63}+1977204582144932989443770175x^{36}y^{64}+1095067153187962886461165020x^{35}y^{65}+580717429720889409486981450x^{34}y^{66}+294692427022540894366527900x^{33}y^{67}+143012501349174257560226775x^{32}y^{68}+66324638306863423796047200x^{31}y^{69}+29372339821610944823963760x^{30}y^{70}+12410847811948286545336800x^{29}y^{71}+4998813702034726525205100x^{28}y^{72}+1917353200780443050763600x^{27}y^{73}+699574816500972464467800x^{26}y^{74}+242519269720337121015504x^{25}y^{75}+79776075565900368755100x^{24}y^{76}+24865270306254660391200x^{23}y^{77}+7332066885177656269200x^{22}y^{78}+2041841411062132125600x^{21}y^{79}+535983370403809682970x^{20}y^{80}+132341572939212267400x^{19}y^{81}+30664510802988208300x^{18}y^{82}+6650134872937201800x^{17}y^{83}+1345860629046814650x^{16}y^{84}+253338471349988640x^{15}y^{85}+44186942677323600x^{14}y^{86}+7110542499799200x^{13}y^{87}+1050421051106700x^{12}y^{88}[phone]x^{11}y^{89}[phone]x^{10}y^{90}[phone]x^{9}y^{91}[phone]x^{8}y^{92}[phone]x^{7}y^{93}[phone]x^{6}y^{94}[phone]x^{5}y^{95}+3921225x^{4}y^{96}+161700x^{3}y^{97}+4950x^{2}y^{98}+100xy^{99}+y^{100}+98913082887808032681188722800y^{49}x^{51}+93206558875049876949581681100y^{48}x^{52}+84413487283064039501507937600y^{47}x^{53}+73470998190814997343905056800y^{46}x^{54}+61448471214136179596720592960y^{45}x^{55}+49378235797073715747364762200y^{44}x^{56}+38116532895986727945334202400y^{43}x^{57}+28258808871162574166368460400y^{42}x^{58}+20116440213369968050635175200y^{41}x^{59}+13746234145802811501267369720y^{40}x^{60}+9013924030034630492634340800y^{39}x^{61}+5670048986634686922786117600y^{38}x^{62}+3420029547493938143902737600y^{37}x^{63}+1977204582144932989443770175y^{36}x^{64}+1095067153187962886461165020y^{35}x^{65}+580717429720889409486981450y^{34}x^{66}+294692427022540894366527900y^{33}x^{67}+143012501349174257560226775y^{32}x^{68}+66324638306863423796047200y^{31}x^{69}+29372339821610944823963760y^{30}x^{70}+12410847811948286545336800y^{29}x^{71}+4998813702034726525205100y^{28}x^{72}+1917353200780443050763600y^{27}x^{73}+699574816500972464467800y^{26}x^{74}+242519269720337121015504y^{25}x^{75}+79776075565900368755100y^{24}x^{76}+24865270306254660391200y^{23}x^{77}+7332066885177656269200y^{22}x^{78}+2041841411062132125600y^{21}x^{79}+535983370403809682970y^{20}x^{80}+132341572939212267400y^{19}x^{81}+30664510802988208300y^{18}x^{82}+6650134872937201800y^{17}x^{83}+1345860629046814650y^{16}x^{84}+253338471349988640y^{15}x^{85}+44186942677323600y^{14}x^{86}+7110542499799200y^{13}x^{87}+1050421051106700y^{12}x^{88}[phone]y^{11}x^{89}[phone]y^{10}x^{90}[phone]y^{9}x^{91}[phone]y^{8}x^{92}[phone]y^{7}x^{93}[phone]y^{6}x^{94}[phone]y^{5}x^{95}+3921225y^{4}x^{96}+161700y^{3}x^{97}+4950y^{2}x^{98}+100yx^{99}+100891344545564193334812497256\left(xy\right)^{50}$$

Evaluate

$$\left(x+y\right)^{100}$$