SmallR is an archer. SmallR is taking a match of archer with Zanoes. They try to shoot in the target in turns, and SmallR shoots first. The probability of shooting the target each time is <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/a7487d7e62f90136b78ae3fbf0a008396f146e13.png" style="max-width: 100.0%;max-height: 100.0%;"/> for SmallR while <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/c443c7703e51f03d0eece0b96b9e84e425878209.png" style="max-width: 100.0%;max-height: 100.0%;"/> for Zanoes. The one who shoots in the target first should be the winner.

Output the probability that SmallR will win the match.
A single line contains four integers <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/488158367221f441ba94b9475c03436069df2a7e.png" style="max-width: 100.0%;max-height: 100.0%;"/>.
if __name__=='__main__':
    n,a,b,c=list(map(int,input().split()))
    m1,m2,m3=0,0,0
    if b<a and b<c:
        m1 = b
        m3 = max(b,c)
        m2 = min(b,c)
    elif b>c and c<a:
        m1 = c
        m2 = min(a,b)
        m3 = max(a,b)
    else:
        m1 = a
        m2 = min(b,c)
        m3 = max(b,c)
    count = 0
    count += (int)(n/m1)
    left = n%m1
    # print(count,left)
    count += (int)(left/m2)
    left = left%m2
    # print(count,left)
    count += (int)(left/m3)
    print(count)