def primtal(tal):
for d in range(2,1+tal//2):
if(tal%d == 0):
return False
return True
for n in range(1,20):
print(n,primtal(n))
def primtal(tal):
for d in range(2,1+tal//2):
if(tal%d == 0):
return False
return True
for n in range(1,20):
print(n,primtal(n))