#include<iostream> #include<bits/stdc++.h> using namespace std; int main() { int a,b,s; while(1) { scanf("%d %d",&a,&b); if(a==-1&&b==-1) break; if(a==0&&b==99||a==99&&b==0) printf("1\n"); else { s=abs(a-b); if(s>50) s=100-s; printf("%d\n",s); } } return 0; }
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