#include <stdio.h>
#define to_num(x)                                                              \
    {                                                                          \
        switch (x) {                                                           \
        case 'S':                                                              \
            x = 3;                                                             \
            break;                                                             \
        case 'J':                                                              \
            x = 2;                                                             \
            break;                                                             \
        case 'B':                                                              \
            x = 1;                                                             \
            break;                                                             \
        }                                                                      \
    }

int main() {
    char a, b;
    scanf("%c %c", &a, &b);
    to_num(a);
    to_num(b);
    switch (a - b) {
    case 0:
        printf("DEUCE");
        break;
    case 1:
    case -2:
        printf("FIRST");
        break;
    default:
        printf("SECOND");
        break;
    }
    return 0;
}