#include void main() { int d, m, doy, i; int mdays[12]; mdays[0] = 31; // Jan mdays[1] = 28; // Feb mdays[2] = 31; mdays[3] = 30; mdays[4] = 31; mdays[5] = 30; mdays[6] = 31; mdays[7] = 31; mdays[8] = 30; mdays[9] = 31; mdays[10] = 30; mdays[11] = 31; // Dec printf("Enter day (1-31) and month (1-12)\n"); scanf("%d %d", &d, &m); doy = 0; for (i = 0; i < (m - 1); i++) doy += mdays[i]; doy += d; printf("Day of 2017 is: %d\n", doy); }