#include <stdio.h>
#define SIZE 100

int main(void) {
    int m[SIZE] = {}, i = 1, j, k, l, flag;
    while (1) {
        i++;
        while (i < SIZE && m[i] == 1)
            i++;
        if (i >= SIZE)
            break;
        for (j = 2 * i; j < SIZE; j += i)
            m[j] = 1;
    }
    for (i = 6; i <= SIZE; i++) {
        flag = 1;
        for (j = 2; j < SIZE; j++)
            for (k = 2; k < SIZE; k++)
                for (l = 2; l < SIZE && flag; l++)
                    if (!m[j] && !m[k] && !m[l] && j + k + l == i) {
                        printf("%d = %d + %d + %d\n", i, j, k, l);
                        flag = 0;
                    }
        if (flag)
            printf("Can't represent %d\n", i);
    }
    return 0;
}