#include <algorithm> #include <cctype> #include <climits> #include <cmath> #include <cstdio> #include <cstring> #include <iostream> #include <map> #include <set> #include <stack> #include <string> #include <vector> using namespace std; int main(void) { int n; while (scanf("%d",&n) != EOF) { int ans = n; if (n == 0) printf("1\n"); else { for (int i = 1; i < n; i++) { ans *= n; ans %= 10; } printf("%d\n", ans % 10); } } } |
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