#include <stdio.h> #include <string.h> #include <math.h> int main() { int n,i; while(scanf("%d",&n)!=EOF) { if(n==0) { break; } int s=0; for(i=2;i<=n;i++) { s=(s+3)%i; } printf("%d\n",s+1); } return 0; } |
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