#include <stdio.h>
#define putbool(x) (printf("%s", (x) ? "TRUE" : "FALSE"))

int main() {
    int n;
    scanf("%d", &n);
    {
        int i = 1;
        while (1) {
            int square = i * i;
            if (square == n) {
                putbool(1);
                return 0;
            }
            if (square > n) {
                putbool(0);
                return 0;
            }
            i++;
        }
    }
    return 0;
}