
The following code isn't working and we can't figure out why.. 

letters = c("A","B","C","D","E","F","G","H","I","J") 
numbers = 1:3 
  
for(i in 1:6){                       #6 letters 
                for (j in 1:3) {                   #3 numbers 
                    for (k in -1:1) {             #answer -1,right or +1         
                          fn = paste (i,j,k,".bmp",sep="") 
                          bmp(file = fn) 
                          plot(x = 10, y = 10, ylim=c(0,1), xlim=c(0,1), axes=FALSE, ylab="", xlab="") 
                          text(0.5,0.5, text = paste(letters[i], "+", numbers[j],"=", letters [i+j+k]) 
                          dev.off() 
                                     } 
                               } 
                           } 

We get the following errors: 
Error: unexpected symbol in: 
"                          text(0.5,0.5, text = paste(letters[i], "+", numbers[j],"=", letters [i+j+k]) 
                          dev.off" 
>                                      } 
Error: unexpected '}' in "                                     }" 
>                                } 
Error: unexpected '}' in "                               }" 
>                            } 
Error: unexpected '}' in "                           }"
 
I hope you can figure out how to fix this..
Greetings
 		 	   		  
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