int main()
{
int x;
scanf("%d", &x);
printf("%d일", (x-2)*(x-3)*(x-4)*(x-5)*(x-6)*(x-7)*(x-8)*(x-9)*(x-10)*(x-11)*(x-12)/((1-2)*(1-3)*(1-4)*(1-5)*(1-6)*(1-7)*(1-8)*(1-9)*(1-10)*(1-11)*(1-12))*31+(x-1)*(x-3)*(x-4)*(x-5)*(x-6)*(x-7)*(x-8)*(x-9)*(x-10)*(x-11)*(x-12)/((2-1)*(2-3)*(2-4)*(2-5)*(2-6)*(2-7)*(2-8)*(2-9)*(2-10)*(2-11)*(2-12))*28+(x-1)*(x-2)*(x-4)*(x-5)*(x-6)*(x-7)*(x-8)*(x-9)*(x-10)*(x-11)*(x-12)/((3-1)*(3-2)*(3-4)*(3-5)*(3-6)*(3-7)*(3-8)*(3-9)*(3-10)*(3-11)*(3-12))*31+(x-1)*(x-2)*(x-3)*(x-5)*(x-6)*(x-7)*(x-8)*(x-9)*(x-10)*(x-11)*(x-12)/((4-1)*(4-2)*(4-3)*(4-5)*(4-6)*(4-7)*(4-8)*(4-9)*(4-10)*(4-11)*(4-12))*30+(x-1)*(x-2)*(x-3)*(x-4)*(x-6)*(x-7)*(x-8)*(x-9)*(x-10)*(x-11)*(x-12)/((5-1)*(5-2)*(5-3)*(5-4)*(5-6)*(5-7)*(5-8)*(5-9)*(5-10)*(5-11)*(5-12))*31+(x-1)*(x-2)*(x-3)*(x-4)*(x-5)*(x-7)*(x-8)*(x-9)*(x-10)*(x-11)*(x-12)/((6-1)*(6-2)*(6-3)*(6-4)*(6-5)*(6-7)*(6-8)*(6-9)*(6-10)*(6-11)*(6-12))*30+(x-1)*(x-2)*(x-3)*(x-4)*(x-5)*(x-6)*(x-8)*(x-9)*(x-10)*(x-11)*(x-12)/((7-1)*(7-2)*(7-3)*(7-4)*(7-5)*(7-6)*(7-8)*(7-9)*(7-10)*(7-11)*(7-12))*31+(x-1)*(x-2)*(x-3)*(x-4)*(x-5)*(x-6)*(x-7)*(x-9)*(x-10)*(x-11)*(x-12)/((8-1)*(8-2)*(8-3)*(8-4)*(8-5)*(8-6)*(8-7)*(8-9)*(8-10)*(8-11)*(8-12))*31+(x-1)*(x-2)*(x-3)*(x-4)*(x-5)*(x-6)*(x-7)*(x-8)*(x-10)*(x-11)*(x-12)/((9-1)*(9-2)*(9-3)*(9-4)*(9-5)*(9-6)*(9-7)*(9-8)*(9-10)*(9-11)*(9-12))*30+(x-1)*(x-2)*(x-3)*(x-4)*(x-5)*(x-6)*(x-7)*(x-8)*(x-9)*(x-11)*(x-12)/((10-1)*(10-2)*(10-3)*(10-4)*(10-5)*(10-6)*(10-7)*(10-8)*(10-9)*(10-11)*(10-12))*31+(x-1)*(x-2)*(x-3)*(x-4)*(x-5)*(x-6)*(x-7)*(x-8)*(x-9)*(x-10)*(x-12)/((11-1)*(11-2)*(11-3)*(11-4)*(11-5)*(11-6)*(11-7)*(11-8)*(11-9)*(11-10)*(11-12))*30+(x-1)*(x-2)*(x-3)*(x-4)*(x-5)*(x-6)*(x-7)*(x-8)*(x-9)*(x-10)*(x-11)/((12-1)*(12-2)*(12-3)*(12-4)*(12-5)*(12-6)*(12-7)*(12-8)*(12-9)*(12-10)*(12-11))*31);
}
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헉 이러케 길어요??