gistfile1.py

vst = [0 for i in range(0,31)]
ans = [0]
def dfs(last, cont, count):
    if cont >= 5: return
    if count == 13:
        """
        for i in range(1, 31):
            if vst[i] != 0:
                print i,
        print ''
        """
        ans[0] = ans[0]+1
        print ans[0]
        return
    if last == 30: return
    vst[last+1] = 1
    dfs(last+1, cont+1, count+1)
    vst[last+1] = 0
    tmp = last+5
    if tmp > 30: tmp=30
    for i in range(last+2, tmp):
        vst[i] = 1
        dfs(i, 1, count+1)
        vst[i] = 0

for i in range(1, 30): 
    vst[i]=1
    dfs(i, 1, 1)
    vst[i]=0