#include <stdio.h> int main(){ int n,k,m; int sum; if (scanf("%d %d %d",&n,&k,&m)!=EOF){ sum = n-k*m; } printf("%d",sum); return 0; }
#include <stdio.h> int main(){ int n,k,m; int sum; if (scanf("%d %d %d",&n,&k,&m)!=EOF){ sum = n-k*m; } printf("%d",sum); return 0; }
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