#include <iostream>
using namespace std;
int main() {
int h=0, m=0, s=0;
cin>>h>>m>>s;
if(h<=11 && m<=11 && s<11)
cout<<(((11-h)*60)+11-m)*60 +11-s;
else
cout<<(24*60*60)-(((h-11)*60*60)+((m-11)*60)+s-11);
return 0;
}
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