#include<bits/stdc++.h> using namespace std; #define aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa int main() { char s1[1001],s2[1001]; int a[1001],b[1001],c[1002],lena,lenb,lenc,x; gets(s1); gets(s2); lena=strlen(s1); lenb=strlen(s2); for(int i=0;i<=lena-1;i++) a[lena-i]=s1[i]-48; for(int i=0;i<=lenb-1;i++) b[lenb-i]=s2[i]-48; lenc=1; x=0; while(lenc<=lena||lenc<=lenb) { c[lenc]=a[lenc]+b[lenc]+x; x=c[lenc]/10; c[lenc]%=10; lenc++; } c[lenc]=x; if(c[lenc]==0) lenc--; for(int i=lenc;i>=1;i--) cout<<c[i]; return 0; }