#include<stdio.h>

int main() {
    int line1[8], line2[8], line3[8];
    int countLine1 = 0, countLine2 = 0, countLine3 = 0;
    int countLine = 0;
    int sum = 0;

    for(int i = 0; i < 3; i++) {
        char c;
        int j = 0;
        while((c = getchar()) != '\n') {
            if(isdigit(c)) {
                ungetc(c, stdin);
                if(countLine == 0) {
                    scanf("%d", &line1[j++]);
                    countLine1++;
                } else if(countLine == 1) {
                    scanf("%d", &line2[j++]);
                    countLine2++;
                } else if(countLine == 2) {
                    scanf("%d", &line3[j++]);
                    countLine3++;
                }
            }
        }
        countLine++;
        j = 0;
    }

    int j = 1;
    for(int i = countLine1 - 1; i >= 0; i--) {
        sum += j * line1[i];
        j *= 10;
    }
    j = 1;
    for(int i = countLine2 - 1; i >= 0; i--) {
        sum += j * line2[i];
        j *= 10;
    }
    j = 1;
    for(int i = countLine3 - 1; i >= 0; i--) {
        sum += j * line3[i];
        j *= 10;
    }
    printf("%d", sum);

    return 0;
}