Help me in solving PREQ44 problem

help
,
1

My issue

give me answer

My code

# Update the code below to solve the problem

t = int(input())
for i in range(t):
    X = int(input())
    S = input()
    
    c = 0
    n = 0
    d = 0
    for i in S :
        if(i == 'N'):
            n = n + 2
        if(i == 'C'):
            c = c + 2
        if(i == 'D'):
            d = d + 1 
    if(c == n):
        print( 55*X )
    elif(c > n) :
        print( 60*X )
    else:
        print(40 *X)

Learning course: Design and Analysis of Algorithms
Problem Link: https://www.codechef.com/learn/course/kl-daa/KLDAA24PRE06/problems/PREQ44