d4 = [0]
d6 = [0]
y = [0]
for k in range(0,12):
    y.append(0)
    if(k<=4):
        d4.append(1/4)
    else:
        d4.append(0)
    if(k<=6):
        d6.append(1/6)
    else:
        d6.append(0)
for k in range(0,12):
    y[k] = 0
    for n in range(0,12):
        if( (k-n>0) & (k-n)<12) ):
            y[k] += d4[n]*d6[k-n]
print('  k  d4+d6'
for k in range(0,12):
    print('{: 3.0f}'.format(k), '{: 6.3f}'.format(y[k]) )