n = 24 # change to be given
count = 0
while n > 0 :
if n >= 25 :
n = n - 25
count = count + 1
elif n >= 10 :
n = n - 10
count = count + 1
elif n >= 5 :
n = n - 5
count = count + 1
elif n >= 1 :
n = n - 1
count = count + 1
print (count)
biA9IDI0ICMgY2hhbmdlIHRvIGJlIGdpdmVuCmNvdW50ID0gMAp3aGlsZSBuID4gMCA6CglpZiBuID49IDI1IDoKCQluID0gbiAtIDI1CgkJY291bnQgPSBjb3VudCArIDEKCWVsaWYgbiA+PSAxMCA6CgkJbiA9IG4gLSAxMAoJCWNvdW50ID0gY291bnQgKyAxCgllbGlmIG4gPj0gNSA6CgkJbiA9IG4gLSA1CgkJY291bnQgPSBjb3VudCArIDEKCWVsaWYgbiA+PSAxIDoKCQluID0gbiAtIDEKCQljb3VudCA9IGNvdW50ICsgMQpwcmludCAoY291bnQp