#includetypedef long long LL; bool check(LL x,int n) { LL sum=0,t=5; while(t<=x) { sum+=x/t; t*=5; } return sum>=n; } int main() { int n;scanf("%d",&n); LL l=0,r=1e18; while(l
#includetypedef long long LL; bool check(LL x,int n) { LL sum=0,t=5; while(t<=x) { sum+=x/t; t*=5; } return sum>=n; } int main() { int n;scanf("%d",&n); LL l=0,r=1e18; while(l
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