public static void Main()
for (int u = 1; u <= 9; u++)
for (int ch = 1; ch <= 9; ch++)
for (int e = 1; e <= 9; e++)
for (int b = 1; b <= 9; b++)
for (int n = 1; n <= 9; n++)
for (int i = 1; i <= 9; i++)
for (int k = 0; k <= 9; k++)
if(k*7+i*6*10+n*5*100+b*4*1000+e*3*10000+ch*2*100000+u*1*1000000==5615796)
Console.WriteLine("u= "+u);
Console.WriteLine("ch= "+ch);
Console.WriteLine("e= "+e);
Console.WriteLine("b= "+b);
Console.WriteLine("n= "+n);
Console.WriteLine("i= "+i);
Console.WriteLine("k= "+k);