#include <cstdio>#include <cstdlib>using namespace std;class Number {public:    int a;    int b;    int c;    Number(int _a = 0, int _b = 0, int _c = 0): a(_a), b(_b), c(_c){}    Number operator+(const Number& n) {        Number tmp;        tmp.a = a + n.a;        tmp.b = tmp.a / 29;        tmp.a = tmp.a % 29;                tmp.b += b + n.b;        tmp.c = tmp.b / 17;        tmp.b = tmp.b % 17;                tmp.c += c + n.c;        tmp.c = tmp.c;        return tmp;    }    void print() {        printf("%d.%d.%d", c, b, a);    }};int main() {    Number n1, n2;    scanf("%d.%d.%d", &n1.c, &n1.b, &n1.a);    scanf("%d.%d.%d", &n2.c, &n2.b, &n2.a);    Number n3 = n1 + n2;    n3.print();    return 0;}