n = input (' valor de n 1 "
i = 1
cont = 0
while( i < n ):
    if i%2 == 1:
        cont = cont +1
    i = i+1    
    
    

bab0bf7aa3c5dddddc33013460716af83327a70b
n = input (' valor de n 1 "
i = 1
cont = 0
while( i < n ):
    if i%2 == 1:
        cont = cont +1
    i = i+1    
    
    
