#include <stdio.h> #include <string.h> __int64 a,b; char s1[20],s2[20]; int len1,len2; int main() { int i; while(~scanf("%s%s",s1,s2)) { len1 = strlen(s1); len2 = strlen(s2); a = b = 0; for(i = 0; i<len1;i++) { if(s1[i]>='0' && s1[i]<='9') { a = a*10+s1[i]-'0'; } } if(s1[0] == '-') a = -a; for(i=0;i<len2;i++) { if(s2[i]>='0' && s2[i]<='9') b = b*10+s2[i]-'0'; } if(s2[0] == '-') b = -b; printf("%I64d\n",a+b); } return 0; }